根据句意及词首字母提示完成单词。

1. We often b            magazines from the school library.

2. If you don't work hard, you'll get bad m            in the next English test.

3. Look!A g            of students   are playing basketball over there.

4. There is an English c            in  our school. Do you want to join (参加) it?

5. His father s            a company last year.

6. If you don't want to go there alone, I'll go t            with   you.

一般说来，重复抽样的误差（）不重复抽样的误差。

A．小于 

B．等于 

C．大于